Display screen or portion thereof with graphical user interface



The FIGURE is a front view of a display screen or portion thereof with graphical user interface showing my new design with unclaimed subject matter.

The dashed broken lines around the FIGURE show a display screen or portion thereof and form no part of the claimed design. The dashed broken lines within the FIGURE show unclaimed portions of the graphical user interface and form no part of the claimed design. 

CLAIM The ornamental design for a display screen or portion thereof with graphical user interface, as shown and described. 